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<div class="title">LoadShader.cpp</div>  </div>
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<a href="_load_shader_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * LoadShader.cpp</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *  Created on: 15 Nov 2013</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *      Author: axel</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;GL/glew.h&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_load_shader_8h.html">LoadShader.h</a>&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="class_load_shader.html#aef7788fd9475f2137698b0b24c1c5071">   15</a></span>&#160;<a class="code" href="class_load_shader.html#aef7788fd9475f2137698b0b24c1c5071">LoadShader::LoadShader</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;{</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;}</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="class_load_shader.html#a1c873411e8b7b55cb806964f8e8caf22">   20</a></span>&#160;<a class="code" href="class_load_shader.html#a1c873411e8b7b55cb806964f8e8caf22">LoadShader::~LoadShader</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;}</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="class_load_shader.html#a93cc0f04669944ce117be359bb03dcb1">   24</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_load_shader.html#a93cc0f04669944ce117be359bb03dcb1">LoadShader::addShader</a>(GLuint ShaderProgram, <span class="keyword">const</span> <span class="keywordtype">char</span>* pShaderText, GLenum ShaderType) {</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    GLuint ShaderObj = glCreateShader(ShaderType);</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordflow">if</span> (ShaderObj == 0) {</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        std::cout &lt;&lt; <span class="stringliteral">&quot;Error creating shader type &quot;</span> &lt;&lt; ShaderType;</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        exit(1);</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    }</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keyword">const</span> GLchar* p[1];</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    p[0] = pShaderText;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    GLint Lengths[1];</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    Lengths[0]= strlen(pShaderText);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    glShaderSource(ShaderObj, 1, p, Lengths);</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    glCompileShader(ShaderObj);</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    GLint success;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    glGetShaderiv(ShaderObj, GL_COMPILE_STATUS, &amp;success);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="keywordflow">if</span> (!success) {</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        GLchar InfoLog[1024];</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        glGetShaderInfoLog(ShaderObj, 1024, <a class="code" href="_linked_list_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, InfoLog);</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        std::cout &lt;&lt;  <span class="stringliteral">&quot;Error compiling shader type &quot;</span> &lt;&lt; ShaderType;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        exit(1);</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    }</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    glAttachShader(ShaderProgram, ShaderObj);</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    glDeleteShader(ShaderObj);</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;}</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_load_shader.html#ab93a544631b0b18496b08be7d0d640e8">   50</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_load_shader.html#ab93a544631b0b18496b08be7d0d640e8">LoadShader::compileShaders</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* pVS, <span class="keyword">const</span> <span class="keywordtype">char</span>* pFS, GLuint &amp;ShaderProgram) {</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordflow">if</span> (ShaderProgram == 0) {</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        std::cout &lt;&lt;  <span class="stringliteral">&quot;Error creating shader program\n&quot;</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        exit(1);</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    }</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <a class="code" href="class_load_shader.html#a93cc0f04669944ce117be359bb03dcb1">addShader</a>(ShaderProgram, pVS, GL_VERTEX_SHADER);</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <a class="code" href="class_load_shader.html#a93cc0f04669944ce117be359bb03dcb1">addShader</a>(ShaderProgram, pFS, GL_FRAGMENT_SHADER);</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    GLint Success = 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    GLchar ErrorLog[1024] = { 0 };</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    glLinkProgram(ShaderProgram);</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    glGetProgramiv(ShaderProgram, GL_LINK_STATUS, &amp;Success);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keywordflow">if</span> (Success == 0) {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        glGetProgramInfoLog(ShaderProgram, <span class="keyword">sizeof</span>(ErrorLog), <a class="code" href="_linked_list_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, ErrorLog);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        std::cout &lt;&lt;  <span class="stringliteral">&quot;Error linking shader program: \n&quot;</span> &lt;&lt; ErrorLog;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        exit(1);</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    }</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    glValidateProgram(ShaderProgram);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    glGetProgramiv(ShaderProgram, GL_VALIDATE_STATUS, &amp;Success);</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keywordflow">if</span> (!Success) {</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        glGetProgramInfoLog(ShaderProgram, <span class="keyword">sizeof</span>(ErrorLog), <a class="code" href="_linked_list_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, ErrorLog);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        std::cout &lt;&lt;  <span class="stringliteral">&quot;Invalid shader program: \n&quot;</span> &lt;&lt; ErrorLog;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        exit(1);</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;}</div>
<div class="ttc" id="_linked_list_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="_linked_list_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="_linked_list_8h_source.html#l00012">LinkedList.h:12</a></div></div>
<div class="ttc" id="class_load_shader_html_ab93a544631b0b18496b08be7d0d640e8"><div class="ttname"><a href="class_load_shader.html#ab93a544631b0b18496b08be7d0d640e8">LoadShader::compileShaders</a></div><div class="ttdeci">static void compileShaders(const char *pVs, const char *pFS, GLuint &amp;ShaderProgram)</div><div class="ttdef"><b>Definition:</b> <a href="_load_shader_8cpp_source.html#l00050">LoadShader.cpp:50</a></div></div>
<div class="ttc" id="_load_shader_8h_html"><div class="ttname"><a href="_load_shader_8h.html">LoadShader.h</a></div></div>
<div class="ttc" id="class_load_shader_html_a93cc0f04669944ce117be359bb03dcb1"><div class="ttname"><a href="class_load_shader.html#a93cc0f04669944ce117be359bb03dcb1">LoadShader::addShader</a></div><div class="ttdeci">static void addShader(GLuint ShaderProgram, const char *pShaderText, GLenum ShaderType)</div><div class="ttdef"><b>Definition:</b> <a href="_load_shader_8cpp_source.html#l00024">LoadShader.cpp:24</a></div></div>
<div class="ttc" id="class_load_shader_html_aef7788fd9475f2137698b0b24c1c5071"><div class="ttname"><a href="class_load_shader.html#aef7788fd9475f2137698b0b24c1c5071">LoadShader::LoadShader</a></div><div class="ttdeci">LoadShader(void)</div><div class="ttdef"><b>Definition:</b> <a href="_load_shader_8cpp_source.html#l00015">LoadShader.cpp:15</a></div></div>
<div class="ttc" id="class_load_shader_html_a1c873411e8b7b55cb806964f8e8caf22"><div class="ttname"><a href="class_load_shader.html#a1c873411e8b7b55cb806964f8e8caf22">LoadShader::~LoadShader</a></div><div class="ttdeci">~LoadShader(void)</div><div class="ttdef"><b>Definition:</b> <a href="_load_shader_8cpp_source.html#l00020">LoadShader.cpp:20</a></div></div>
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